| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 1142 | Returned to Compliance | 01-APR-2021 | 30-APR-2021 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 1143 | Returned to Compliance | 01-APR-2021 | 30-JUN-2021 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 1141 | Known | 01-APR-2013 | 30-JUN-2013 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 1140 | Known | 01-APR-2013 | 30-JUN-2013 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 1139 | Known | 01-JAN-2013 | 31-MAR-2013 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 1138 | Known | 01-OCT-2012 | 31-DEC-2012 | Yes |
| TT | Single Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 1136 | Returned to Compliance | 01-MAY-2011 | 31-MAY-2011 | Yes |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 1134 | Returned to Compliance | 01-SEP-2006 | 30-SEP-2006 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | CARBON, TOTAL | 894 | Returned to Compliance | 01-JUL-2006 | 30-SEP-2006 | No |
| Other | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | Consumer Confidence Rule | 793 | Returned to Compliance | 01-JUL-2001 | - | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Benzene | 1053 | Returned to Compliance | 01-JAN-2000 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | cis-1,2-Dichloroethylene | 1041 | Returned to Compliance | 01-JAN-2000 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Xylenes, Total | 1048 | Returned to Compliance | 01-JAN-2000 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | DICHLOROMETHANE | 1035 | Returned to Compliance | 01-JAN-2000 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | o-Dichlorobenzene | 1042 | Returned to Compliance | 01-JAN-2000 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2,4-Trichlorobenzene | 1034 | Returned to Compliance | 01-JAN-2000 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Styrene | 1036 | Returned to Compliance | 01-JAN-2000 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Ethylbenzene | 1047 | Returned to Compliance | 01-JAN-2000 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Toluene | 1040 | Returned to Compliance | 01-JAN-2000 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | CHLOROBENZENE | 1046 | Returned to Compliance | 01-JAN-2000 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Tetrachloroethylene | 1039 | Returned to Compliance | 01-JAN-2000 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1,2-Trichloroethane | 1052 | Returned to Compliance | 01-JAN-2000 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Trichloroethylene | 1045 | Returned to Compliance | 01-JAN-2000 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2-Dichloropropane | 1038 | Returned to Compliance | 01-JAN-2000 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Carbon tetrachloride | 1051 | Returned to Compliance | 01-JAN-2000 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1,1-Trichloroethane | 1044 | Returned to Compliance | 01-JAN-2000 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2-Dichloroethane | 1037 | Returned to Compliance | 01-JAN-2000 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | trans-1,2-Dichloroethylene | 1050 | Returned to Compliance | 01-JAN-2000 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1-Dichloroethylene | 1043 | Returned to Compliance | 01-JAN-2000 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Vinyl chloride | 1054 | Returned to Compliance | 01-JAN-2000 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | p-Dichlorobenzene | 1049 | Returned to Compliance | 01-JAN-2000 | 31-DEC-2000 | No |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 256 | Known | 01-DEC-1999 | 31-DEC-1999 | Yes |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 9604417 | Known | 01-MAY-1996 | 31-MAY-1996 | No |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 9403229 | Known | 01-JAN-1994 | 31-JAN-1994 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Former Total Trihalomethane Rule | TTHM | 8400933 | Known | 01-JAN-1984 | 31-MAR-1984 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Former Total Trihalomethane Rule | TTHM | 8400292 | Known | 01-OCT-1983 | 31-DEC-1983 | Yes |